Molecular Evidence of the Hybrid Origins of Leyland Cypress (× Cupressocyparis leylandii)
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概要
- 論文の詳細を見る
Leyland cypress (× Cupressocyparis leylandii) has been regarded as an intergeneric hybrid between Monterey cypress (Cupressus macrocarpa) and Alaska cypress (Chamaecyparis nootkatensis) in the Cupressaceae. Each partial sequence of the 18S-rDNA from nuclear and the rbcL from chloroplast DNA genomes was determined using above three species. At the 59th site from the 5'end of the 152 bp of the determined 18S-rDNA sequence, one base difference was identified between Monterey cypress (T) and Alaska cypress (A). However, Leyland cypress showed either nucleotide A or T at this site. Since nuclear DNA is inherited by biparental mode, this result shows genetic evidence that the nucleic genome of Leyland cypress originates from Monterey cypress and Alaska cypress and that this species is of hybrid origin.
- 日本森林学会の論文
- 2000-02-16
著者
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Shiraishi Susumu
Faculty Of Agriculture Kyushu University
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Yamamoto Chiaki
Forestry And Forest Products Research Institute
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Yamaguchi Naoko
Faculty of Agriculture, Kyushu University
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Sasaki Yoshinori
The Oita Prefectural Forestry Experimental Station
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Yamaguchi Naoko
Faculty Of Agriculture Kyushu University
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Shiraishi Susumu
Faculty Of Agriculture Hokkaido University
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